- PDB-4got: Crystal structure of a putative methionine-binding lipoprotein (B... -
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IDまたはキーワード:
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基本情報
登録情報
データベース: PDB / ID: 4got
タイトル
Crystal structure of a putative methionine-binding lipoprotein (BSU32730) from Bacillus subtilis subsp. subtilis str. 168 at 1.95 A resolution
要素
Methionine-binding lipoprotein metQ
キーワード
LIPID BINDING PROTEIN / NLPA lipoprotein / PF03180 family / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY / METHIONINE-BINDING PROTEIN
機能・相同性
機能・相同性情報
amino acid transport / plasma membrane 類似検索 - 分子機能
THIS CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH ...THIS CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING ONLY A GLYCINE (0) FOLLOWED BY RESIDUES 27-274 OF THE TARGET SEQUENCE.
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.29 Å3/Da / 溶媒含有率: 46.31 %
結晶化
温度: 277 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 8.5 詳細: 40.0% polyethylene glycol 400, 0.2M lithium sulfate, 0.1M TRIS pH 8.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
モノクロメーター: single crystal Si(111) bent / プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 0.97879 Å / 相対比: 1
反射
解像度: 1.95→44.561 Å / Num. obs: 16953 / % possible obs: 89.9 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 24.42 Å2 / Rmerge(I) obs: 0.102 / Net I/σ(I): 11.54
反射 シェル
Diffraction-ID: 1
解像度 (Å)
最高解像度 (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
% possible all
1.95-2.02
0.588
2.2
3873
935
50.8
2.02-2.1
0.496
2.9
6211
1303
69.8
2.1-2.2
0.38
4.1
9148
1676
86.2
2.2-2.31
0.31
6
11572
1756
99.1
2.31-2.46
0.232
7.4
12964
1922
99.1
2.46-2.65
0.179
9.1
12083
1859
98.6
2.65-2.91
0.138
11.9
12255
1813
99.4
2.91-3.33
0.09
16.2
12126
1867
98.2
3.33-4.19
0.063
22
11996
1870
98.2
4.19
0.061
24.6
12425
1952
98.3
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位相決定
位相決定
手法: 単波長異常分散
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解析
ソフトウェア
名称
バージョン
分類
NB
MolProbity
3beta29
モデル構築
PDB_EXTRACT
3.1
データ抽出
SHELX
位相決定
SHARP
位相決定
XSCALE
March15, 2012
データスケーリング
REFMAC
5.6.0117
精密化
XDS
データ削減
SHELXD
位相決定
精密化
構造決定の手法: 単波長異常分散 / 解像度: 1.95→44.561 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.936 / Occupancy max: 1 / Occupancy min: 0.3 / SU B: 7.997 / SU ML: 0.123 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.19 / ESU R Free: 0.172 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. 3. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 4. WATERS WERE ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. 3. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 4. WATERS WERE EXCLUDED FROM AUTOMATIC TLS ASSIGNMENT. 5. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 6. A SULFATE ION (SO4) FROM THE CRYSTALLIZATION SOLUTION IS MODELED. 7. A SELENOMETHIONINE RESIDUE IS MODELED IN THE ACTIVE SITE BASED ON ELECTRON DENSITY AND ANOMALOUS DIFFERENCE FOURIER MAP. 8. RAMACHANDRAN OUTLIER PHE 85 IS SUPPORTED BY ELECTRON DENSITY AND IS LIKELY A DISTORTION CAUSED BY LIGAND BINDING.
Rfactor
反射数
%反射
Selection details
Rfree
0.2286
876
5.2 %
RANDOM
Rwork
0.1717
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obs
0.1747
16950
90.24 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.2 Å / 溶媒モデル: BABINET MODEL WITH MASK